Regenerate scratch env go mod file

Makefile

@@ -41,6 +41,7 @@ GOLANGCI_LINT := $(abspath $(TOOLS_BIN_DIR)/golangci-lint)
 GO_APIDIFF := $(TOOLS_BIN_DIR)/go-apidiff
 CONTROLLER_GEN := $(TOOLS_BIN_DIR)/controller-gen
 ENVTEST_DIR := $(abspath tools/setup-envtest)
+SCRATCH_ENV_DIR := $(abspath examples/scratch-env)
 
 # The help will print out all targets with their descriptions organized bellow their categories. The categories are represented by `##@` and the target descriptions by `##`.
 # The awk commands is responsible to read the entire set of makefiles included in this invocation, looking for lines of the file as xyz: ## something, and then pretty-format the target and help. Then, if there's a line with ##@ something, that gets pretty-printed as a category.
@@ -99,6 +100,7 @@ modules: ## Runs go mod to ensure modules are up to date.
 	go mod tidy
 	cd $(TOOLS_DIR); go mod tidy
 	cd $(ENVTEST_DIR); go mod tidy
+	cd $(SCRATCH_ENV_DIR); go mod tidy
 
 .PHONY: generate
 generate: $(CONTROLLER_GEN) ## Runs controller-gen for internal types for config file
@@ -118,7 +120,7 @@ clean-bin: ## Remove all generated binaries.
 
 .PHONY: verify-modules
 verify-modules: modules ## Verify go modules are up to date
-	@if !(git diff --quiet HEAD -- go.sum go.mod $(TOOLS_DIR)/go.mod $(TOOLS_DIR)/go.sum $(ENVTEST_DIR)/go.mod $(ENVTEST_DIR)/go.sum); then \
+	@if !(git diff --quiet HEAD -- go.sum go.mod $(TOOLS_DIR)/go.mod $(TOOLS_DIR)/go.sum $(ENVTEST_DIR)/go.mod $(ENVTEST_DIR)/go.sum $(SCRATCH_ENV_DIR)/go.sum); then \
 		git diff; \
 		echo "go module files are out of date, please run 'make modules'"; exit 1; \
 	fi

examples/scratch-env/go.mod

@@ -4,6 +4,7 @@ go 1.15
 
 require (
 	github.com/spf13/pflag v1.0.5
+	go.uber.org/zap v1.24.0
 	sigs.k8s.io/controller-runtime v0.0.0-00010101000000-000000000000
 )